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Iron chrome glass sealing alloy 4J28 (YB/T5240-1993)
INTRODUCTION
4J28 is a kind of Fe-Cr-B glass sealing alloy, which is a duplex structure of Cr24-Fe. It is non-magnetic, has excellent corrosion resistance and is applicable to 300℃, which has excellent corrosion resistance and heat conduction performance. It is suitable for the manufacture of vac......
1046 
Sophia
GB 5126-85 Eddy current testing method for aluminum and aluminum alloy cold-drawn thin-walled pipes
Abstract
This article introduces the detection of eddy current of cold-drawn thin-wall tube material made of aluminum and aluminum alloy according to the national standard GB 5126-85. This method of eddy current testing is a reliable, high-efficiency nondestructive testing technology, which is wi......
Reference Standards for Metallurgical Products
Introduction
Metallurgy is a branch of engineering that studies the properties and processing of metals. There are a variety of products associated with metallurgy. This includes things such as structural steel, steel plates, aluminum products, cast iron, steel tubes, and more. The quality of pro......
Industry Standard Specification English-Chinese Comparison - General Parts 7
Universal components are essential parts of nearly all products currently in the market. Universal parts that undergo strict manufacturing and testing procedures validate the service life and reliability of the parts. Many industries have set up some industry-specific standards, including the gene......
9SiCr use
1 Introduction
9SiCr is an alloy steel that consists of a combination of silicon and chrome. Its properties include high strength and excellent wear resistance at elevated temperatures. It is often used in the production of cutting tools, mining and drilling equipment, automotive parts and compon......
Chemical Composition of Several New Types of Base Steels in China
Development of Advanced High-Strength Steel in China
The development of advanced high-strength steels (AHSS) plays an important role in the development of modern vehicle manufacture and steel processing industries and is beneficial to Chinas economic development. In this regard, due to the low co......
Expansion alloy (GB/T14985-1994)
Expansion alloy (GB/T14985-1994)
Expansion alloy is an important metal material widely used in our daily life. It is a material composed of metal base and special alloy elements, which has the effect of thermal expansion. Generally speaking, expansion alloy is a kind of alloy with good thermal ex......
0Cr16Ni4Cu4Nb use
UNS S31050 (1.4845, X 8 CrNi 25-21-4) is a duplex stainless steel with a high chromium and nickel content. It offers excellent resistance to both corrosion and high temperatures, making it ideal for a variety of industrial applications. Its high chromium content gives the steel very high oxidation......
11SMnPb30 use
Grade 11SMnPb30
Grade 11SMnPb30 is a leaded free-cutting carbon steel grade. It is a low-carbon alloy with a sulfur content of 0.07%, and lead of 0.45%, which makes it suitable for use in various applications where improved machinability is required such as machine tools and fasteners. It is ofte......
20 uses
Environmental Challenges in Urban Areas
Urban areas are increasingly burdened by environmental challenges. As the number of city-dwellers and the demands for services expand, so does the impact of human activities. This can be seen in the form of air and water pollution, inadequate sanitation and......
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